<template>
  <!-- 表单 -->
  <el-form ref="form" :rules="rules" :model="formData" label-width="120px">
    <el-form-item label="姓名" prop="username">
      <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
    </el-form-item>
    <el-form-item label="手机" prop="mobile">
      <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
    </el-form-item>
    <el-form-item label="入职时间" prop="timeOfEntry">
      <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
    </el-form-item>
    <el-form-item label="聘用形式" prop="formOfEmployment">
      <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
        <el-option
          v-for="item in hireType"
          :key="item.id"
          :label="item.value"
          :value="item.id"
        />
        <!-- <el-option label="非正式" :value="2" /> -->
      </el-select>
    </el-form-item>
    <el-form-item label="工号" prop="workNumber">
      <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
    </el-form-item>
    <el-form-item label="部门" prop="departmentName">
      <el-input :value="formData.departmentName" style="width:50%" placeholder="请选择部门" @focus="hFocus" />
      <div v-show="showTree">
        <!-- 1. ajax获取数据
        2. 数据渲染（数组转树！） -->
        <el-tree
          :data="list"
          :props="{label: 'name'}"
          @node-click="handleNodeClick"
        />
      </div>
    </el-form-item>
    <el-form-item label="转正时间">
      <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
    </el-form-item>
    <el-form-item>
      <el-button @click="hCancel">取消</el-button>
      <el-button type="primary" @click="hSubmit">确定</el-button>
    </el-form-item>
  </el-form>
</template>
<script>
import { getDepartment } from '@/api/department.js'
import { tranListToTreeData } from '@/utils/index.js'
import { addEmployee } from '@/api/employee'
import Employees from '@/constant/employees'
// 外部导入的数据，要在data(computed)中中转一下才可以在template使用
// 在模板可以使用哪里定义的数据？ data(), props, computed
console.log('聘用形式', Employees.hireType)
export default {
  data() {
    return {
      // hireType: Employees.hireType,
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: 'blur' }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: 'blur' }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: 'change' }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: 'blur' }
        ]
      },
      showTree: false, // 是否显示部门信息
      list: [] // 部门信息
    }
  },
  computed: {
    hireType() {
      return Employees.hireType
    }
  },
  // 1. ajax获取数据
  // created() {
  //   },
  methods: {
    // 用户在 部门输入框中 点击鼠标，获取焦点
    hFocus() {
      // 发请求获取数据
      this.loadDepartments()
      console.log('用户在 部门输入框中 点击鼠标，获取焦点')
    },
    // 点击部门对应的el-tree
    handleNodeClick(data) {
      // console.log(data)
      // 如果没有子部门
      if (data.children.length === 0) {
        // 1 选中
        this.formData.departmentName = data.name
        // 2 隐藏tree
        this.showTree = false
      }
    },
    hCancel() {
      this.$emit('close')
    },
    async doAdd() {
      // 1. 调用API
      const res = await addEmployee(this.formData)
      console.log('doAdd', res)

      // 2. 抛出事件
      this.$emit('add-success')
    },
    hSubmit() {
      // 手动兜底校验
      this.$refs.form.validate(valid => {
        if (valid) {
          this.doAdd()
        }
      })
    },
    async loadDepartments() {
      // 调用api，发ajx
      const res = await getDepartment()

      // 删除第一项
      res.data.depts.shift()

      // 数组转成树
      this.list = tranListToTreeData(res.data.depts)

      // 显示tree
      this.showTree = true
    },
    // 供父组件调用，来清空表单数据和校验痕迹
    resetForm() {
      this.formData = {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
      this.$refs.form.resetFields()
    }
  }
}
</script>
